| South Portland to Marianske Lazne | 3,744.05 mi (6,025.47 km) |
| South Portland to Melnik | 3,800.82 mi (6,116.83 km) |
| South Portland to Milovice | 3,821.01 mi (6,149.32 km) |
| South Portland to Mlada Boleslav | 3,815.44 mi (6,140.36 km) |
| South Portland to Mnichovo Hradiste | 3,814.24 mi (6,138.42 km) |
| South Portland to Mohelnice | 3,914.82 mi (6,300.29 km) |
| South Portland to Moravska Trebova | 3,905.61 mi (6,285.47 km) |
| South Portland to Most | 3,763.34 mi (6,056.51 km) |
| South Portland to Nachod | 3,863.80 mi (6,218.19 km) |
| South Portland to Neratovice | 3,805.51 mi (6,124.38 km) |
| South Portland to Nova Paka | 3,836.28 mi (6,173.90 km) |
| South Portland to Nove Mesto na Morave | 3,889.47 mi (6,259.50 km) |
| South Portland to Nove Mesto nad Metuji | 3,865.80 mi (6,221.40 km) |
| South Portland to Novy Bor | 3,790.65 mi (6,100.46 km) |
| South Portland to Novy Jicin | 3,963.25 mi (6,378.24 km) |
